18446777134 has 4 divisors (see below), whose sum is σ = 27670165704. Its totient is φ = 9223388566.

The previous prime is 18446777087. The next prime is 18446777179. The reversal of 18446777134 is 43177764481.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4611694282 + ... + 4611694285.

It is an arithmetic number, because the mean of its divisors is an integer number (6917541426).

Almost surely, 2^18446777134 is an apocalyptic number.

18446777134 is a deficient number, since it is larger than the sum of its proper divisors (9223388570).

18446777134 is an equidigital number, since it uses as much as digits as its factorization.

18446777134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223388569.

The product of its digits is 3161088, while the sum is 52.

The spelling of 18446777134 in words is "eighteen billion, four hundred forty-six million, seven hundred seventy-seven thousand, one hundred thirty-four".